Not remember long q about Function of saliva

Not remember long q about Function of saliva?

1- Lubricant

2- Digestion

3- Antimicrobial function immunoglobulins, e.g. IgA) and non-specific immunologic action (e.g.lysozyme, lactoferrin and myeloperoxidase

4- Ion reservoir, buffer function

5- Hormonal function

6- Role in taste

7- Wound licking

8- Glue to construct bird nests